Smith Creek Copper Occurrence

Occurrence in Lewis and Clark county in Montana, United States with commodity Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10010509
MRDS ID D004251
Record type Site
Current site name Smith Creek Copper Occurrence

Geographic coordinates

Geographic coordinates: -112.67813, 47.38046 (WGS84)
Elevation 1478
Relative position 15 MI. SW OF AUGUSTA

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Double Falls(quadrangle 1:24,000 scale)

Dearborn River(quadrangle 1:100,000 scale)

Choteau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sun(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 019N 008W 19 Montana

Comments on the location information

  • 1/4 MI. ABOVE PETTY AND SMITH CREEK JUNCTION

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Pyrite Gangue

Analytical data

Result GRAB SAMPLE CONTAINED 5000 PPM CU, 7 PPM AG. CHIP SAMPLE HAD 1500 PPM CU, 1500 PPM ZN, 1000 PPM PB AND 3 PPM AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorite
    Rock description Diorite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Spokane Formation
    Rock description Spokane Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -112.67813, 47.38046

Economic information

Geologic structures

Type of structure Local
Structure description South Fork Thrust Zone

Controls for ore emplacement

  • Contact Of Argillite And Diorite Sill

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 9.14M

Comments on the workings information

  • WORKINGS CONSIST OF AN ADIT.

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: MUDGE, M.R., ERICKSON, R.L., AND KLEINKOPF, D., 1968, USGS BULL. 1252-E, P. 26

  • Deposit

    MUDGE, M.R., ERICKSON, R.L., AND KLEINKOPF, D., 1968, RECONNAISSANCE GEOLOGY, GEOPHYSICS, AND GEOCHEMISTRY OF THE SOUTHEASTERN PART OF THE LEWIS AND CLARK RANGE, MONTANA: USGS BULL. 1252-E, P. 25-2

  • Deposit

    1968 GEOCHEM MUDGE, M.R., ERICKSON, R.L., KLEINKOPF, D.: BULL. 1252-

General comments

Subject category Comment text
Deposit OCCURS IN NARROW NW-TRENDING BELT OF WEAK PB-ZN MINERALIZATION ABOUT 30 MI. LONG, RELATED TO SOUTH FORK THRUST ZONE
Deposit SEVERAL PROSPECT PITS LOCATED TO THE WEST OF THIS LOCALITY ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Starritt, Bruce C. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.